Exposure
ID
GRAVI.2023-01-16T01:19:20.004_1
Header ID
GRAVI.2023-01-16T01:19:20.004
Date updated
2023-01-16 01:36:04 UTC+0000
Release date
2024-01-16 01:36:04 UTC+0000
UTC Start
2023-01-16 01:19:20.004
UTC End
2023-01-16 01:20:56.004
MJD Start
59960.05509264
MJD End
59960.0562037511
Exposure time (s)
96.0
Validation level
1
Tau 0: Coherence time (s)
0.01029
Ambient temperature (°C)
12.97
Seeing (arcsec)
0.54
Observation
ID
53880
Category
science
Program ID
110.24AB.001
Program Title
EXPLORING THE SURFACE - WIND CONNECTION OF THE RED SUPERGIANTS, BETELGEUSE AND VY CMA
Program Type
Normal
PI / COI
MONTARGES/ CANNON/ LEBRE/ DUPREE/ HUMPHREYS/ LAGADEC/ SCICLUNA/ KERVELLA/ DE KOTER/ LOPEZ ARISTE/ SANCHEZ/ PALADINI/ DECIN/ KRAVCHENKO/ WITTKOWSKI/ NORRIS/ CHIAVASSA/ RIDGWAY/ PERRIN/ HAUBOIS/ CANTALLOUBE/ RAU/ LOPEZ/ JONES
Target
ID
40061
Name
Betelgeuse
RA
88.79084
DEC
7.40712
Instrument
Interferometer
VLTI
Instrument
GRAVITY
Instrument mode
HIGH-SPLIT
Instrument sub-mode
SINGLE
Stations
A0 B2 D0 C1
Projected baselines
Baseline Length start Length end Angle start Angle end
A0-B2 25.0400 25.0040 135.8000 135.8000
A0-D0 26.7650 26.9990 74.3000 74.3000
A0-C1 22.3610 22.4030 115.2820 115.1300
B2-D0 26.5350 26.6280 18.2000 18.7000
B2-C1 8.8400 8.8710 18.1700 18.6710
D0-C1 17.6950 17.7570 198.2500 198.7500
Header: used keywords
Key Value
HIERARCH ESO OBS PROG ID 110.24AB.001
HIERARCH ESO DPR CATG SCIENCE
HIERARCH ESO DPR TYPE OBJECT,SINGLE
MJD-OBS 59960.05509264
HIERARCH ESO DPR TECH INTERFEROMETRY,WOLLASTON
HIERARCH ESO OBS TARG NAME Betelgeuse
HIERARCH ESO INS SOBJ NAME Betelgeuse
RA 88.79084
DEC 7.40712
HIERARCH ESO INS SPEC RES HIGH
HIERARCH ESO INS POLA MODE SPLIT
HIERARCH ESO ISS CONF NTEL 4
HIERARCH ESO ISS CONF STATION1 A0
HIERARCH ESO ISS CONF STATION2 B2
HIERARCH ESO ISS CONF STATION3 D0
HIERARCH ESO ISS CONF STATION4 C1
EXPTIME 194.0
HIERARCH ESO DET2 SEQ1 DIT 0.3
HIERARCH ESO DET2 NDIT 320
HIERARCH ESO ISS PBL12 START 25.04
HIERARCH ESO ISS PBL12 END 25.004
HIERARCH ESO ISS PBLA12 START 135.8
HIERARCH ESO ISS PBLA12 END 135.8
HIERARCH ESO ISS PBL13 START 26.765
HIERARCH ESO ISS PBL13 END 26.999
HIERARCH ESO ISS PBLA13 START 74.3
HIERARCH ESO ISS PBLA13 END 74.3
HIERARCH ESO ISS PBL14 START 22.361
HIERARCH ESO ISS PBL14 END 22.403
HIERARCH ESO ISS PBLA14 START 115.282
HIERARCH ESO ISS PBLA14 END 115.13
HIERARCH ESO ISS PBL23 START 26.535
HIERARCH ESO ISS PBL23 END 26.628
HIERARCH ESO ISS PBLA23 START 18.2
HIERARCH ESO ISS PBLA23 END 18.7
HIERARCH ESO ISS PBL24 START 8.84
HIERARCH ESO ISS PBL24 END 8.871
HIERARCH ESO ISS PBLA24 START 18.17
HIERARCH ESO ISS PBLA24 END 18.671
HIERARCH ESO ISS PBL34 START 17.695
HIERARCH ESO ISS PBL34 END 17.757
HIERARCH ESO ISS PBLA34 START 198.25
HIERARCH ESO ISS PBLA34 END 198.75
HIERARCH ESO ISS AMBI TAU0 START 0.009873
HIERARCH ESO ISS AMBI TAU0 END 0.010707
HIERARCH ESO ISS AMBI TEMP 12.97
HIERARCH ESO ISS AMBI FWHM START 0.6
HIERARCH ESO ISS AMBI FWHM END 0.48